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TTGO T-Call V1.3 ESP32 Wireless Module GPRS Antenna SIM Card SIM800L Module
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About TTGO T-Call V1.3 ESP32 Wireless Module GPRS Antenna
Product Features ESP32 Lastest ESP32 Version: REV1 WIFI bluetooth 4MB PSRAM 4MB Flash 3D Antenna LORA Product Description Working voltage: 1.8~3.7v Acceptable current：10~14mA Transmit current: 120mA@+20dBm 90mA@+17dBm 29mA@+13dBm Operating frequency: 433/470MHz(433HMz version) /868M/915M(868MHz version) Transmit power: +20dBm Receive sensitivity :-139dBm@LoRa &62.5Khz&SF=12&146bps -136dBm@LoRa &125Khz&SF=12&293bps -118dBm@LoRa &125Khz&SF=6&9380bps -123dBm@FSK&5Khz&1.2Kbps Frequency error：+/-15KHz FIFO space ： 64Byte Data rate ：1.2K~300Kbps@FSK 0.018K~37.5Kbps@LoRa Modulation Mode ：FSK,GFSK,MSK,GMSK,LoRa TM，OOK Interface form ： SPI Sleep current ：0.2uA@SLEEP 1.5uA@IDLE Operating temperature ：-40℃- +85℃ Digital RSSI function Automatic frequency correction Automatic gain control RF wake-up function Low voltage detection and temperature sensor Fast wake-up and frequency hopping Highly configurable data packet handler GPS GPS modules NEO-6M, 3V-5V power supply Universal Destined module with ceramic antenna, signal super Save the configuration parameter data EEPROM Down With data backup battery There are LED signal indicator Default Baud Rate: 9600 Power TP5400 2A Battery Management LED indicator: There are 4 LEDs show the battery status in real time. Power button: Click one time will start. Fast click 2 times will shut down. USB CP2104-GMR
